A tangent (here WZ in the question) to any circle (here O in the question) is a line segment that touches the circle at only one point (here B in the question) on circumference of circle, and the radius of the circle (here OB in the question) through this point is always perpendicular to that particular tangent.
In other words, Tangent (WZ) and Radius (OB) of any circle (O) always make a Right angle at point of intersection (B) on its circumference.
It means angle ∠OBZ would be a Right angle i.e. 90 degrees.
So, option B i.e. 90 degrees is the final answer.
Answer:
t >= 
or 8.33333333333
Step-by-step explanation:
We need to set up an inequality where demand is less than or equal to 0. The inequality looks like this:
50 - 6t <= 0
50 <= 6t
t >= or 8.33333333333
First, change 2/5 into a decimal by dividing 2 by 5. Decimal= .4. Now move the decimal 2 places to the right to find percentage. Answer is 40%
A=r^2pi is the area of a circle
Answer:
650
Step-by-step explanation:
The number of packets of waffles is W
and the number of muffins are M
The weight of dough is 250 pounds and a pack of muffins requires 1 lb of dough whereas a pack of waffles uses 3/4 lb of dough.
3÷4W+M≤250
Multiplying both sides by 4
3W+4M≤1000
It takes bakers 6 minutes to make a packer of waffles and 3 minutes to make a pack of muffins, the total time available is 20 hours or 1200 minutes.
3M+6M≤1200
Minus the initial equation from the new equation:
(3M+6M≤1200)−(3W+4M≤1000)
2M≤200
Dividing equation by 2
M≤100
For M≤100
3W+4M≤1000
3W≤1000−4M
For the Maximum values of M
the least value of W is obtained
3W≥1000−4×100
3W≥600
Dividing the equation by 3
W≥300
For maximum profit, the number of waffles and muffins is taken as 300 and 100 respectively :
1.5∗300+2∗100
=650
